What are the ingredients for a medium iced vanilla americano?

The correct answer outlines the standard preparation for a medium iced vanilla americano, which includes specific quantities of shots, flavoring, and water. In this case, a medium iced vanilla americano should consist of one scoop of vanilla syrup for flavor, two espresso shots for the coffee base, and water filled up to the 12-ounce mark to complete the drink.

This formulation creates a balanced iced americano, providing a strong coffee flavor complemented by the sweetness of the vanilla, while the water dilutes the espresso to the desired strength, ensuring it's refreshing and not overly concentrated.

Other options fall short in the quantity of ingredients or include components that are not typical for an iced vanilla americano, such as milk or cream, which would alter the drink's characteristic flavor profile and dilute its essence as an americano.